nikkogold Posted February 8, 2018 Share Posted February 8, 2018 Hi can anyone help. My Maruzen mp5 fires perfect for about 15 to 20 rounds. Then just vents all the gas. Tried different types. Even tried firing inside for warmer temps. Thanks for help in advance. Nikko. Link to comment Share on other sites More sharing options...
nikkogold Posted February 12, 2018 Author Share Posted February 12, 2018 Took gun apart today cleaned it and moved internals back and forth. Seems to work ok now. Yay result. Link to comment Share on other sites More sharing options...
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